Finding the Fourth Proportional to 74,299,358.44, 102,534,349.53 and 40,811,933.90
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Solution
The fourth proportional to 74,299,358.44, 102,534,349.53 and 40,811,933.90 is: 56,321,147.09
Step by Step Solution
- Step 1: Write the proportion equation
74,299,358.44 : 102,534,349.53 = 40,811,933.90 : x - Step 2: Convert to fraction form
74,299,358.44/102,534,349.53 = 40,811,933.90/x - Step 3: Cross multiply
74,299,358.44x = 102,534,349.53 × 40,811,933.90 - Step 4: Simplify right side
74,299,358.44x = 4,184,625,095,497,856 - Step 5: Solve for x
x = 4,184,625,095,497,856/74,299,358.44 - Step 6: Final answer
x = 56,321,147.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.